libutil-34.tar.gz

[apple/libutil.git] / tzlink.c

diff --git a/tzlink.c b/tzlink.c
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+++ b/tzlink.c
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+/*
+ * Copyright (c) 2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <TargetConditionals.h>
+#include <xpc/xpc.h>
+#include <errno.h>
+
+#include "tzlink.h"
+#include "tzlink_internal.h"
+
+errno_t
+tzlink(const char *tz)
+{
+#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+       xpc_connection_t connection;
+       xpc_object_t request, reply;
+       errno_t e;
+
+       if (tz == NULL) {
+               return EINVAL;
+       }
+
+       connection = xpc_connection_create_mach_service(TZLINK_SERVICE_NAME, NULL, XPC_CONNECTION_MACH_SERVICE_PRIVILEGED);
+       xpc_connection_set_event_handler(connection, ^(__unused xpc_object_t event) {
+       });
+       xpc_connection_resume(connection);
+
+       request = xpc_dictionary_create(NULL, NULL, 0);
+       xpc_dictionary_set_string(request, TZLINK_KEY_REQUEST_TIMEZONE, tz);
+
+       reply = xpc_connection_send_message_with_reply_sync(connection, request);
+       if (xpc_get_type(reply) == XPC_TYPE_DICTIONARY) {
+               e = (errno_t)xpc_dictionary_get_uint64(reply, TZLINK_KEY_REPLY_ERROR);
+       } else {
+               e = EIO;
+       }
+
+       xpc_release(reply);
+       xpc_release(request);
+       xpc_release(connection);
+
+       return e;
+#else /* !TARGET_OS_IPHONE */
+#pragma unused (tz)
+       return ENOTSUP;
+#endif /* TARGET_OS_IPHONE */
+}